From 2cb0a35dbe7edb16886d16924618526ac6c8d45d Mon Sep 17 00:00:00 2001
From: David Lindbom <hi@davidlindbom.se>
Date: Sun, 9 Jan 2022 20:28:29 +0100
Subject: [PATCH] GameOfLife: Add link to help pages in menu

---
 Userland/Games/GameOfLife/CMakeLists.txt | 2 +-
 Userland/Games/GameOfLife/main.cpp       | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Userland/Games/GameOfLife/CMakeLists.txt b/Userland/Games/GameOfLife/CMakeLists.txt
index 8715c17fd4..dda37469ed 100644
--- a/Userland/Games/GameOfLife/CMakeLists.txt
+++ b/Userland/Games/GameOfLife/CMakeLists.txt
@@ -15,4 +15,4 @@ set(SOURCES
 )
 
 serenity_app(GameOfLife ICON app-gameoflife)
-target_link_libraries(GameOfLife LibGUI LibMain)
+target_link_libraries(GameOfLife LibGUI LibMain LibDesktop)
diff --git a/Userland/Games/GameOfLife/main.cpp b/Userland/Games/GameOfLife/main.cpp
index 72a159eaae..dabb0caac3 100644
--- a/Userland/Games/GameOfLife/main.cpp
+++ b/Userland/Games/GameOfLife/main.cpp
@@ -6,8 +6,10 @@
  */
 
 #include "BoardWidget.h"
+#include <AK/URL.h>
 #include <Games/GameOfLife/GameOfLifeGML.h>
 #include <LibCore/System.h>
+#include <LibDesktop/Launcher.h>
 #include <LibGUI/Application.h>
 #include <LibGUI/BoxLayout.h>
 #include <LibGUI/Button.h>
@@ -29,9 +31,13 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto app = TRY(GUI::Application::try_create(arguments));
 
+    TRY(Desktop::Launcher::add_allowed_handler_with_only_specific_urls("/bin/Help", { URL::create_with_file_protocol("/usr/share/man/man6/GameOfLife.md") }));
+    TRY(Desktop::Launcher::seal_allowlist());
+
     TRY(Core::System::pledge("stdio rpath recvfd sendfd"));
 
     TRY(Core::System::unveil("/res", "r"));
+    TRY(Core::System::unveil("/tmp/portal/launch", "rw"));
     TRY(Core::System::unveil(nullptr, nullptr));
 
     auto app_icon = TRY(GUI::Icon::try_create_default_icon("app-gameoflife"));
@@ -133,6 +139,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     })));
 
     auto help_menu = TRY(window->try_add_menu("&Help"));
+    TRY(help_menu->try_add_action(GUI::CommonActions::make_help_action([](auto&) {
+        Desktop::Launcher::open(URL::create_with_file_protocol("/usr/share/man/man6/GameOfLife.md"), "/bin/Help");
+    })));
     TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("Game Of Life", app_icon, window)));
 
     board_widget->on_running_state_change = [&]() {